Those looking to turn a profit in the green space are most apt to do so by investing in stocks that are poised to benefit from government funding, have strong regulatory support and dominate an essential niche in the green market.

While investment capital seeks to exploit stimulus package programs for renewable energy projects, investors may want to consider the greenest form of energy out there—the megawatt no one uses. White credits measuring energy conservation are now available,.

These are exciting times in the world of green. Washington is abuzz with the subject and Wall Street and Main Street are certainly taking note. So does this special report: "Invest in Green." It is by no means an imperative. Green investing is an option and an increasingly more popular one. Think of this as a starter's guide.

Soldiers danced in Pyongyang's plazas as North Korea announced Wednesday that leader Kim Jong Un was named marshal, a title cementing his status atop the authoritarian nation's military as he makes key changes to the 1.2 million-man force.